21088 Chelyabinsk (1992 BL2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2387361539 ± 6.03e-09
Semi-major axis (a)1.7063669522 AU ± 3.31e-10
Inclination (i)38.46248793° ± 9.84e-07
Long. of Asc. Node (Ω)297.82517282° ± 9.53e-07
Arg. of Perihelion (ω)27.19775356° ± 1.68e-06
Mean Anomaly (M)205.19142502° ± 1.08e-06
Mean Motion (n)0.4421846161°/day ± 1.29e-10
Perihelion dist (q)1.29899547 AU ± 1.03e-08
Aphelion dist (Q)2.11373844 AU ± 1.03e-08
Orbital Period2.22899270 yr ± 6.48e-10
Physical Parameters
H (abs. magnitude)14.34
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.228″
Uncertainty0
Orbit TypeAmor
MOID0.306089 AU
Observations Used6935
Gaia Obs Used131
Oppositions15
Arc Total1990-2026
First Observation Used1990-01-30
Last Observation Used2026-01-13
Observations (9404)
Date Type RA Dec Mag Band Observatory
2021-01-28 12:14:06 s 1 +152281.06 6 +106091.38 6960.0 C57
2021-01-28 12:24:06 S 07 55 26.398 +12 44 13.70 V C57
2021-01-28 12:24:06 s 1 +152372.92 8 +107047.09 90.0 C57
2021-01-28 12:34:06 S 07 55 25.558 +12 44 08.41 V C57
2021-01-28 12:34:06 s 1 +152461.51 3 +108000.49 7240.0 C57
2021-01-28 12:44:06 S 07 55 24.689 +12 44 05.57 V C57
2021-01-28 12:44:06 s 1 +152546.85 0 +108951.58 8450.0 C57
2021-01-28 12:54:06 S 07 55 23.897 +12 43 58.22 V C57
2021-01-28 12:54:06 s 1 +152628.97 1 +109900.37 3780.0 C57
2021-01-28 13:04:06 S 07 55 22.910 +12 43 49.55 V C57
2021-01-28 13:04:06 s 1 +152707.90 3 +110846.86 3280.0 C57
2021-01-28 13:14:06 S 07 55 22.476 +12 43 43.00 V C57
2021-01-28 13:14:06 s 1 +152783.67 7 +111791.05 7000.0 C57
2021-01-28 14:24:06 S 07 55 16.277 +12 43 08.90 V C57
2021-01-28 14:24:06 s 1 +153228.00 9 +118336.23 5640.0 C57
2021-01-28 14:34:06 S 07 55 15.389 +12 43 05.95 V C57
2021-01-28 14:34:06 s 1 +153279.51 6 +119262.12 4970.0 C57
2021-01-28 14:44:06 S 07 55 14.657 +12 42 59.76 V C57
2021-01-28 14:44:06 s 1 +153328.10 9 +120185.75 8980.0 C57
2021-01-28 14:54:06 S 07 55 13.771 +12 42 54.72 V C57
2021-01-28 14:54:06 s 1 +153373.81 5 +121107.10 7700.0 C57
2021-01-28 15:04:06 S 07 55 13.018 +12 42 49.21 V C57
2021-01-28 15:04:06 s 1 +153416.65 9 +122026.19 1190.0 C57
2021-01-28 15:14:06 S 07 55 12.156 +12 42 43.56 V C57
2021-01-28 15:14:06 s 1 +153456.66 6 +122943.02 9480.0 C57
2021-01-28 15:24:06 S 07 55 11.306 +12 42 38.84 V C57
2021-01-28 15:24:06 s 1 +153493.86 2 +123857.59 2630.0 C57
2021-01-28 15:34:06 S 07 55 10.390 +12 42 33.77 V C57
2021-01-28 15:34:06 s 1 +153528.27 0 +124769.90 670.0 C57
2021-01-28 15:44:06 S 07 55 09.550 +12 42 27.29 V C57
2021-01-28 15:44:06 s 1 +153559.91 4 +125679.97 3660.0 C57
2021-01-28 16:34:06 S 07 55 05.352 +12 42 00.50 V C57
2021-01-28 16:34:06 s 1 +153677.51 7 +130196.63 4210.0 C57
2021-01-28 16:44:06 S 07 55 04.625 +12 41 56.83 V C57
2021-01-28 16:44:06 s 1 +153693.07 5 +131093.26 7740.0 C57
2021-01-28 16:54:06 S 07 55 03.720 +12 41 50.68 V C57
2021-01-28 16:54:06 s 1 +153706.03 2 +131987.67 6500.0 C57
2021-01-28 17:04:06 S 07 55 02.798 +12 41 46.50 V C57
2021-01-28 17:04:06 s 1 +153716.40 9 +132879.86 540.0 C57
2021-01-28 17:14:06 S 07 55 02.030 +12 41 39.19 V C57
2021-01-28 17:14:06 s 1 +153724.22 9 +133769.83 9900.0 C57
2021-01-28 17:24:06 S 07 55 01.183 +12 41 35.20 V C57
2021-01-28 17:24:06 s 1 +153729.51 3 +134657.58 4600.0 C57
2021-01-28 17:34:06 S 07 55 00.298 +12 41 30.23 V C57
2021-01-28 17:34:06 s 1 +153732.28 2 +135543.13 4700.0 C57
2021-01-28 17:54:06 S 07 54 58.706 +12 41 16.98 V C57
2021-01-28 17:54:06 s 1 +153730.36 0 +137307.62 1230.0 C57
2021-01-28 18:04:06 S 07 54 57.936 +12 41 12.80 V C57
2021-01-28 18:04:06 s 1 +153725.71 0 +138186.56 7730.0 C57
2021-01-28 18:14:06 S 07 54 56.940 +12 41 09.13 V C57